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Tile Like grille
Battery level and charging indicator LEDs
Model HRV1
basic flue gas probe
Testo 440 Hot Wire Kit 471 230 005 Tile Like grilleBenefits Comprehensive IAQ Measurement Measures all IAQ parameters, including flow velocity, temperature, humidity, pressure, CO2, CO, and more. Easy to use Intuitive menu and extendable telescope (up to 0. 85 m) with scaling for convenient duct access Extensible with Probes Compatible with Bluetooth and cable probes for flexible measurement options. Reliable airflow measurements Hot wire probe with temperature sensor for precise duct airflow
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